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River creature survey point map
Introduction of survey points
Last Updated May 30, 2023
This map introduces the points of river creatures survey conducted by Yokohama City.
You can see photos of 41 locations in 6 water systems, including Tsurumi River, Katabira River, Okagawa, Samurai River, and water quality evaluation results based on biological indicators.
To the river creatures survey point map (outside site)
Contents posted on the map
- Name of the survey site
- Photo of the survey site
- Other representative photos
- Water quality evaluation based on biological indicators
For inquiries to this page
Environmental Conservation Department, Green Environment Bureau
Phone: 045-453-2550
Phone: 045-453-2550
Fax: 045-453-2560
Email address: mk-kanken@city.yokohama.lg.jp
Page ID: 434-085-929
